12042211100 has 18 divisors (see below), whose sum is σ = 26131598304. Its totient is φ = 4816884400.

The previous prime is 12042211099. The next prime is 12042211133. The reversal of 12042211100 is 111224021.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 60210956 + ... + 60211155.

Almost surely, 2^12042211100 is an apocalyptic number.

12042211100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12042211100 is an abundant number, since it is smaller than the sum of its proper divisors (14089387204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12042211100 is a wasteful number, since it uses less digits than its factorization.

12042211100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120422125 (or 120422118 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12042211100 its reverse (111224021), we get a palindrome (12153435121).

The spelling of 12042211100 in words is "twelve billion, forty-two million, two hundred eleven thousand, one hundred".